[Jeff]

Daryl

I can accept your belief that a primary hip action move (pelvic shift-rotation movement) at the start of the downswing helps the right shoulder move in a downplane direction. However, you seem to be implying that the efficacy of this phenomenon is dependent on the degree of weight transfer that occurs during the backswing, and that the force of the right shoulder throw is dependent on the amount of weight transfer from right-to-left at the start of the downswing. You stated "Shifting Weight supplies the energy behind Hip Action. The amount of weight determines the amount of energy-force created." I know of no scientific evidence, or biomechanical evidentiary reasoning, that supports your assertion. Here is a link to a swing video of Shawn Clement swinging off one-leg.

He can hit the ball as far on one-leg - where there is no weight transfer and no ability to push off the right instep - as he can when hitting off two legs.

You also seem to be implying that there is a causal link between the amount of weight transfer and the ability of the left leg muscles to straighten the left leg. However, you have not provided any biomechanical evidentiary reasoning to show how weight transfer causes the left leg to straighten faster, or more efficiently.

Finally, there is a school of thought (eg. Peter Croker) that implies that the hip action should be secondary to the active movement of the upper body and arms pulling the grip end of the club down towards the ball (essentially a right shoulder/right arm throw action that ensures that the power package assembly remains intact). Do you have any evidence to support a belief that is not an equally viable method of initiating the downswing?

Jeff.